mirror of
https://git.freebsd.org/ports.git
synced 2025-05-07 11:20:46 -04:00
17630bb688
PR: 271070 Reviewed by: fernape Differential Revision: https://reviews.freebsd.org/D39780
150 lines
4 KiB
C
150 lines
4 KiB
C
--- rblcheck.c.orig 2002-11-16 21:32:39 UTC
|
|
+++ rblcheck.c
|
|
@@ -21,15 +21,15 @@
|
|
**
|
|
*/
|
|
|
|
-#include "config.h"
|
|
-
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/nameser.h>
|
|
+#include <arpa/inet.h>
|
|
#include <resolv.h>
|
|
#include <netdb.h>
|
|
+#include <unistd.h>
|
|
|
|
/*-- PORTABILITY ------------------------------------------------------------*/
|
|
|
|
@@ -184,23 +184,26 @@ struct rbl * togglesite( char * sitename, struct rbl *
|
|
* domain. If "txt" is non-zero, we perform a TXT record lookup. We
|
|
* return the text returned from a TXT match, or an empty string, on
|
|
* a successful match, or NULL on an unsuccessful match. */
|
|
-char * rblcheck( int a, int b, int c, int d, char * rbldomain, int txt )
|
|
+char * rblcheck( struct in_addr a, char * rbldomain, int txt )
|
|
{
|
|
char * domain;
|
|
char * result = NULL;
|
|
u_char fixedans[ PACKETSZ ];
|
|
u_char * answer;
|
|
- const u_char * cp;
|
|
- u_char * rp;
|
|
- const u_char * cend;
|
|
- const u_char * rend;
|
|
+ const char * cp;
|
|
+ char * rp;
|
|
+ const char * cend;
|
|
+ const char * rend;
|
|
int len;
|
|
+ u_char *p;
|
|
+ int i, j;
|
|
|
|
/* 16 characters max in a dotted-quad address, plus 1 for null */
|
|
domain = ( char * )malloc( 17 + strlen( rbldomain ) );
|
|
|
|
+ p = (u_char *)&a;
|
|
/* Create a domain name, in reverse. */
|
|
- sprintf( domain, "%d.%d.%d.%d.%s", d, c, b, a, rbldomain );
|
|
+ sprintf( domain, "%d.%d.%d.%d.%s", p[3], p[2], p[1], p[0], rbldomain );
|
|
|
|
/* Make our DNS query. */
|
|
res_init();
|
|
@@ -239,11 +242,11 @@ char * rblcheck( int a, int b, int c, int d, char * rb
|
|
}
|
|
|
|
/* Skip the header and the address we queried. */
|
|
- cp = answer + sizeof( HEADER );
|
|
+ cp = (const char *)answer + sizeof(HEADER);
|
|
while( *cp != '\0' )
|
|
{
|
|
- a = *cp++;
|
|
- while( a-- )
|
|
+ i = *cp++;
|
|
+ while( i-- )
|
|
cp++;
|
|
}
|
|
|
|
@@ -258,8 +261,8 @@ char * rblcheck( int a, int b, int c, int d, char * rb
|
|
cp += ( NS_INT16SZ * 2 ) + NS_INT32SZ;
|
|
|
|
/* Get the length and end of the buffer. */
|
|
- NS_GET16( c, cp );
|
|
- cend = cp + c;
|
|
+ NS_GET16( i, cp );
|
|
+ cend = cp + i;
|
|
|
|
/* Iterate over any multiple answers we might have. In
|
|
this context, it's unlikely, but anyway. */
|
|
@@ -267,10 +270,10 @@ char * rblcheck( int a, int b, int c, int d, char * rb
|
|
rend = result + RESULT_SIZE - 1;
|
|
while( cp < cend && rp < rend )
|
|
{
|
|
- a = *cp++;
|
|
- if( a != 0 )
|
|
- for( b = a; b > 0 && cp < cend && rp < rend;
|
|
- b-- )
|
|
+ i = *cp++;
|
|
+ if( i != 0 )
|
|
+ for( j = i; j > 0 && cp < cend && rp < rend;
|
|
+ j-- )
|
|
{
|
|
if( *cp == '\n' || *cp == '"' ||
|
|
*cp == '\\' )
|
|
@@ -289,22 +292,38 @@ char * rblcheck( int a, int b, int c, int d, char * rb
|
|
* RBL listing, handling output of results if necessary. */
|
|
int full_rblcheck( char * addr )
|
|
{
|
|
- int a, b, c, d;
|
|
+ struct hostent *ent;
|
|
+ struct in_addr a;
|
|
int count = 0;
|
|
+ int rblchecking = 0;
|
|
char * response;
|
|
struct rbl * ptr;
|
|
+ int fail;
|
|
|
|
for( ptr = rblsites; ptr != NULL; ptr = ptr->next )
|
|
{
|
|
- if( sscanf( addr, "%d.%d.%d.%d", &a, &b, &c, &d ) != 4
|
|
- || a < 0 || a > 255 || b < 0 || b > 255 || c < 0 || c > 255
|
|
- || d < 0 || d > 255 )
|
|
- {
|
|
+ fail = 0;
|
|
+ if ((ent = gethostbyname(addr)) != NULL) {
|
|
+ memcpy(&a, ent->h_addr_list[0], sizeof(a));
|
|
+ if (ent->h_addr_list[1]) {
|
|
+ if (!quiet && rblchecking == 0)
|
|
+ fprintf(stderr,
|
|
+ "%s resolved to mutiple addresses: ",
|
|
+ addr);
|
|
+ }
|
|
+ if (!quiet && rblchecking++ == 0)
|
|
+ fprintf(stderr, "checking %s\n", inet_ntoa(a));
|
|
+ } else {
|
|
+ if (!inet_aton(addr, &a))
|
|
+ fail++;
|
|
+ }
|
|
+
|
|
+ if (fail) {
|
|
fprintf( stderr, "%s: warning: invalid address `%s'\n",
|
|
progname, addr );
|
|
return 0;
|
|
}
|
|
- response = rblcheck( a, b, c, d, ptr->site, txt );
|
|
+ response = rblcheck( a, ptr->site, txt );
|
|
if( !quiet || response )
|
|
printf( "%s %s%s%s%s%s%s", addr,
|
|
( !quiet && !response ? "not " : "" ),
|
|
@@ -328,9 +347,7 @@ int full_rblcheck( char * addr )
|
|
|
|
/*-- MAINLINE ---------------------------------------------------------------*/
|
|
|
|
-int main( argc, argv )
|
|
- int argc;
|
|
- char **argv;
|
|
+int main( int argc, char ** argv )
|
|
{
|
|
int a;
|
|
struct rbl * ptr;
|